256649547

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{10193}}^1$

素因数の和:10323

約数の個数: 32

約数和(自身を含む): 430594560

約数和(自身を除く): 173945013

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 231, 327, 763, 1199, 2289, 3597, 8393, 10193, 25179, 30579, 71351, 112123, 214053, 336369, 784861, 1111037, 2354583, 3333111, 7777259, 12221407, 23331777, 36664221, 85549849, 256649547]

約数ペア:

[(1, 256649547), (3, 85549849), (7, 36664221), (11, 23331777), (21, 12221407), (33, 7777259), (77, 3333111), (109, 2354583), (231, 1111037), (327, 784861), (763, 336369), (1199, 214053), (2289, 112123), (3597, 71351), (8393, 30579), (10193, 25179)]